80669680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1623

約数の個数: 120

約数和(自身を含む): 235109952

約数和(自身を除く): 154440272

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1583, 1820, 1960, 2548, 3166, 3185, 3640, 3920, 5096, 6332, 6370, 7280, 7915, 10192, 11081, 12664, 12740, 15830, 20579, 22162, 25328, 25480, 31660, 41158, 44324, 50960, 55405, 63320, 77567, 82316, 88648, 102895, 110810, 126640, 144053, 155134, 164632, 177296, 205790, 221620, 288106, 310268, 329264, 387835, 411580, 443240, 576212, 620536, 720265, 775670, 823160, 886480, 1008371, 1152424, 1241072, 1440530, 1551340, 1646320, 2016742, 2304848, 2881060, 3102680, 4033484, 5041855, 5762120, 6205360, 8066968, 10083710, 11524240, 16133936, 20167420, 40334840, 80669680]

約数ペア:

[(1, 80669680), (2, 40334840), (4, 20167420), (5, 16133936), (7, 11524240), (8, 10083710), (10, 8066968), (13, 6205360), (14, 5762120), (16, 5041855), (20, 4033484), (26, 3102680), (28, 2881060), (35, 2304848), (40, 2016742), (49, 1646320), (52, 1551340), (56, 1440530), (65, 1241072), (70, 1152424), (80, 1008371), (91, 886480), (98, 823160), (104, 775670), (112, 720265), (130, 620536), (140, 576212), (182, 443240), (196, 411580), (208, 387835), (245, 329264), (260, 310268), (280, 288106), (364, 221620), (392, 205790), (455, 177296), (490, 164632), (520, 155134), (560, 144053), (637, 126640), (728, 110810), (784, 102895), (910, 88648), (980, 82316), (1040, 77567), (1274, 63320), (1456, 55405), (1583, 50960), (1820, 44324), (1960, 41158), (2548, 31660), (3166, 25480), (3185, 25328), (3640, 22162), (3920, 20579), (5096, 15830), (6332, 12740), (6370, 12664), (7280, 11081), (7915, 10192)]